Finding the Third Proportional to 60,570 and 132,787

Step by Step Solution

1. Step 1: Write the proportion equation
   60,570 : 132,787 = 132,787 : x
2. Step 2: Convert to fraction form
   60,570/132,787 = 132,787/x
3. Step 3: Cross multiply
   60,570x = 132,787 × 132,787
4. Step 4: Simplify right side
   60,570x = 17,632,387,369
5. Step 5: Solve for x
   x = 17,632,387,369/60,570
6. Step 6: Final answer
   x = 291,107.60